ListarIBBA - Instituto Boliviano de Biología de la Altura por tema "TRYPANOSOMA CRUZI"
Mostrando ítems 1-20 de 81
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A colonizaçao intradomiciliar por triatomíneos altera a história natural do Trypanosoma cruzi
([s.n.], 1994)As variações isoenzimáticas em Trypanosoma cruzi parecem ser devidas à expansão clonal do parasita sob diferentes condições de seleção. Mesmo assim, os padrões eletroforéticos de isoenzimas podem ser agrupados em zimodemas, ... -
A genetic comparison between Brazilian and Bolivian zymodemes of Trypanosoma cruzi
(Transactions of The Royal Society of Tropical Medicine and Hygiene, 1983)Abstract. The enzyme profiles of three major Brazilian Trypanosoma cruzi zymodemes (Brazilian Z1, Brazilian Z2, Brazilian Z3) and of two principal Bolivian zymodemes were compared. Relationships were assessed both ... -
Activité glutamate deshydrogénase Nadp d'une fraction antigénique immunogénique de Trypanosoma cruzi
(Cah, O.R.S.T.O.M., 1983)Résumé. Les auteurs mettent en évidence une forte activité GDH Nadp chez un arc cathodique précipitant (immunuoélectrophorèse) de Trypanosoma cruzi, réagissant avec les sérums de certains patients chagasiques chroniques. -
Addional data on Trypanosoma cruzi isozymic strains encountered in Bolivian domestic transmission cycles
(Transantions of The Royal Society of Tropical Medicine and Hygiene, 1986)Abstract. We have collected in Bolivia 212 stocks of Trypanosoma cruzi from domestic transmission cycles and have assayed for nine enzyme systems (11 gene loci). Only a few different isozyme profiles exist, without ... -
Aminothiol multidentate chelators against Chagas disease
(Experimental Parasitology, 2000)Abstract Three compounds of an aminothiol family of iron chelators were examined for activity against trypomastigote (human) and epimastigote (vector) forms of Trypanosoma cruzi: tetraethyl and tetramethyl derivatives of ... -
Antileishmanial activity of a tetralone isolated from ampelocera edentula, a Bolivian plant used as a treatment for cutaneous Leishmaniasis
(PLANTA MÉDICA, 1994)Abstract. The stem bark of Ampelocera edentula Kuhlm. (Ulmaceae) is used by the Chimanes Indians from Bolivia for the treatment of cutaneous leishmaniasis caused by the protozoan Leishmania braziliensis. A chloroform ... -
Antiprotozoal activity of dehydrozaluzanin C, a sesquiterpene lactone isolated from munnozia maronii (Asteraceae)
(PHYTOTHERAPY RESEARCH, 1993)The petrolelum ether extract of the leaves of Munnozia maronii was found to inhibit in vitro the growth of promastigote forms of Leishmania and epimastigote forms of Trypanosoma cruzi with and IC of 25 µg/mL. Activity-guided ... -
Antiprotozoal activity of quinoline alkaloids isolated from Galipea longiflora, a Bolivian plant used as a treatment for cutaneous Leishmaniasis
(PHYTOTHERAPY RESEARCH, 1994)Abstract. The stem bark of Galipea longiflora is used by the Chimane Indians in Bolivia for the treatment of cutaneous leishmaniasis produced by Leishmania braziliensis. Petroleum ether and chloroform extracts of stem, ... -
Arguments génétiques contre l'existence d'une sexualité actuelle chez Trypanosoma Cruzi. Implications taxonomiques.
(C. R. Acad. Sc., 1981)L'analyse de la variabilité enzymatique pour 3 locus chez 73 isolats boliviens de Trypanosoma cruzi montre I'absence de ségrégation et de recombinaison génétiques. Ces isolats se répartissent en deux groupes génétiquement ... -
Association between Trypanosoma cruzi zymodemes and specific humoral depression in chronic chagasic patients
(Transantions of The Royal Society of Tropical Medicine and Hygiene, 1989) -
Binding of the specific ligand to Fc receptors on Trypasonoma cruzi increases the infective capacity of the parasite
(Immunology, 1991)Summary. The infective capacity of Trypanosoma cruzi was significantly increased after treatment with monoclonal IgG1 antibodies, whether or not specific for the parasite; minimal or no change in infectivity was seen after ... -
Bioenergetic studies in residents at high altitude (2,850 m) with asymptomatic Chagas'disease
(Ann. Soc. Belge Med. Trop., 1985)Summary. Cardiovascular response and working capacity were studied at rest and during a 125 W exercise in residents at high altitude (2,850 m), comparing 2l asymptomatic (normal EKG) bul T. cruzi infected subjects (positive ... -
Biological and chemical studies of Pera benensis, a Bolivian plant used in folk medicine as a treatment of cutaneous leishmaniasis
(Journal of Ethnopharmacology, 1992)The stem barks of Pera benensis are employed by the Chimane Indians in the Bolivian Amazonia as treatment of cutaneous leishmaniasis caused by the protozoan Leishmania braziliensis. The chloroform extracts containing ... -
La cardiopatía chagásica crónica
(E.G., 1999)En las áreas endémicas de Latinoamérica, la enfermedad de Chagas es un problema importante de salud pública, principalmente por debilitación grave debida a lesiones del corazón. De los 15 a 20 millones de personas que están ... -
Characterization of T cell clones from Chagasic patients : predominance of CD8 surface phenotype in clones from patients with pathology
(Mem. Inst. Oswaldo Cruz, 1995)ABSTRACT. Human Chagas' disease, caused by the protozoan Trypanosoma cruzi, is associated with pathological processes whose mechanisms are not known. To address this question, T cell lines were developed from chronic ... -
Circulation and behaviour of two major clones of Trypanosoma cruzi in Bolivian cycles
(Mem. Inst. Oswaldo Cruz, 1996-11)On the basis of isoenzyme studies and population genetic interpretation (Tibayrenc et al. Proc. Nat. Acad. Sci. USA, 83 : 115-119, 1986), we have previously designed a molecular identification tool of two major clones of ... -
Comparisons of immunological tests for serodiagnosis of Chagas disease in Bolivian patients
(Tropical and Geographical Medicine, 1985)Abstract. Enzyme linked immunosorbent assay (ELISA) and immunoelectrophoresis (IEP) were evaluated and compared to the classical immunofluorescence (IF) and complement fixation test (CFT) in the immunological diagnosis ... -
Considérations sur les propriétés immunologiquez des enzymes de parasites (en particulier Trypanosoma cruzi) et sur leurs applications possibles
(Cah, O.R.S.T.O.M., 1982)Résumé. L’auteur présente les possibilités qu’offre le fait de connaître la nature biochimique (ici enzymatique) de certains antigènes de parasites : purification plus facile, amélioration de dasgnostics immunologiques, ...